Discussion
Home ‣ General Knowledge ‣ Physics Comments
- Question
_______ optical data storage is a technology where data is stored in multiple layers in the optical disc.
Options- A. 3D
- B. 30D
- C. 300D
- D. 3000D
- Correct Answer
- 3D
- 1. An image formed by a concave mirror on a screen is called __________?
Options- A. Virtual image
- B. Real image
- C. Inverted image
- D. Erect image Discuss
- 2. If the force applied on the object is in the direction of its motion, the speed of the object __________.
Options- A. increases
- B. stops
- C. decreases
- D. no effect Discuss
- 3. The frictional force exerted by fluids is also called ________.
Options- A. drag
- B. buoyancy
- C. upthrust
- D. convection Discuss
- 4. Which one of the following takes place during a nuclear fusion?
Options- A. a heavy nucleus bombarded by neutrons breaks up
- B. a heavy nucleus breaks up spontaneously
- C. two light nuclei combine to form a heavy nucleus
- D. a light nucleus breaks up spontaneously Discuss
- 5. Ozone protects biosphere from ___________
Options- A. X - rays
- B. Gamma rays
- C. Ultraviolet rays
- D. Infrared rays Discuss
- 6. What is the SI unit of pressure?
Options- A. Newton
- B. Weber
- C. Pascal
- D. Henry Discuss
- 7. Sudden fall in the barometric reading is an indication of _______.
Options- A. Storm
- B. Scorching heat
- C. Rain
- D. Clear weather Discuss
- 8. Find the resistance (in mega ?) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ?m.
Options- A. 1920
- B. 4.8
- C. 2.4
- D. 960 Discuss
- 9. What are the two kinds of Rotatory motion?
Options- A. Spin and Vibrational motion
- B. Spin and Projectile motion
- C. Spin and Orbital motion
- D. Spin and Translatory motion Discuss
- 10. Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth _______.
Options- A. remains same
- B. becomes half
- C. becomes twice
- D. becomes one-fourth Discuss
Physics problems
Search Results
Correct Answer: Real image
Correct Answer: increases
Correct Answer: drag
Correct Answer: two light nuclei combine to form a heavy nucleus
Correct Answer: Ultraviolet rays
Correct Answer: Pascal
Correct Answer: Storm
Correct Answer: 4.8
Correct Answer: Spin and Orbital motion
Correct Answer: becomes one-fourth
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.